Big Mono - M2

Big Sun Energy Technology Incorporation
Cell Type: Monocrystalline
Power Range: 4.788~4.91 Wp
Region: Taiwan Taiwan
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From $0.270 / Wp
  • Maximum Power: 5.131 W
  • Cell Type: Monocrystalline
  • Dimensions: 156×156 mm
  • DIAGONAL: 210±0.5 mm
  • Cell Thickness: 200 µm
  • Pmax: 5.131 W
  • Vmpp: 0.553 V
  • Impp: 9.272 A
  • Voc: 0.666 V
  • Isc: 9.748 A
  • FF: 78.98 %
  • Efficiency: 21.0-21.1 %
  • No. of Busbars: 4
  • Busbar Material: Silver
  • No. of Soldering Pads: 4
  • Soldering Pad Material: Silver
  • AR Coating: Silicon nitride

Product Characteristics

Model No.
1960 1970 1980 1990 2000 2010
Product Characteristics  
Cell Technology Monocrystalline
Dimensions 156×156 mm
Diagonal 210±1 mm
Cell Thickness 200 ± 30 µm
Front Surface (-)  
No. of Busbars 4
Busbar Material Silver
Anti Reflection Coating Silicon nitride
Back Surface (+)  
No. of Soldering Pads 4
Soldering Pad Material Silver, Aluminium
Back Surface Field (BSF) Aluminium
Electrical Data at STC  
Maximum Power (Pmax)
4.788 W 4.813 W 4.837 W 4.862 W 4.886 W 4.91 W
Voltage at Maximum Power Point (Vmpp)
0.544 V 0.545 V 0.547 V 0.548 V 0.549 V 0.549 V
Current at Maximum Power Point (Impp)
8.829 A 8.854 A 8.875 A 8.9 A 8.921 A 8.954 A
Open Circuit Voltage (Voc)
0.642 V 0.644 V 0.645 V 0.646 V 0.646 V 0.647 V
Short Circuit Current (Isc)
9.32 A 9.337 A 9.354 A 9.377 A 9.396 A 9.429 A
Cell Efficiency
19.6 % 19.7 % 19.8 % 19.9 % 20 % 20.1 %
Fill Factor (FF)
80.27 % 80.25 % 80.46 % 80.51 % 80.69 % 80.58 %
Thermal Ratings  
Temperature Coefficient of Pmax -0.3388 %/˚C
Temperature Coefficient of Voc -0.3144 %/˚C
Temperature Coefficient of Isc 0.0337 %/˚C
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Big Sun Energy Technology Incorporation

No. 458-9, Sinsing Rd., Hukou Township, Hsinchu 30353
No. Staff: 400
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Sandy Wang

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3 More Series From Big Sun Energy Technology Incorporation

  • Big Mono - M1
    4.711~4.857 Wp Monocrystalline
  • Mono - 156S
    4.634~4.777 Wp Monocrystalline
  • Big Multi
    4.19~4.48 Wp Polycrystalline